"This man is an advisor to the leader of the free world," she wrote. "This guy, right here."

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http://giphy.com/gifs/jk-rowling-5WHK4BcCxQcM0

Of course, the tweet went viral. But she didn't stop there. Rowling then went after another troll—U.S. President Donald Trump, calling him out on his scheme to distract us from his alleged ties with Russia with bizarre allegations against Obama (again, all real).

'OhmyGod I SO can't believe you think I'm in bed with Putin bcos there's this whole thing with Obama that you don't even know nothing about' https://t.co/YirRiuCVUv

If you told me a few years ago that the woman who wrote Harry Potter would be defending the good of humanity against a bunch of corrupt, shady, sexist politicians, I'd be like "yeah, that makes sense."